Port triggering has been configured on a wireless router. Port 25 has been defined as the trigger port and port 113 as an open port. What effect does this have…
A technician is troubleshooting a problem where the user claims access to the Internet is not working, but there was access to the Internet the day before. Upon investigation, the…
A network technician is checking a computer to see if the DHCP client is working correctly. The technician issues the ipconfig /all command. Which two parameters should the technician review?…
A wired network is undergoing several changes that could leave it vulnerable to connection by unauthorized devices while the work is in progress. Which two temporary measures would enable the…
Users in a recently installed wireless network are complaining of slow data transfer and frequent loss of connectivity. The technician checks that the wireless security is correctly implemented, and there…
A technician is searching through a storage locker and finds a DSL modem. What is the purpose of this device? It connects the network of a user to the digital…
A technician is searching through a storage locker and finds an unmanaged switch. What is the purpose of this device? It is a device whose sole purpose is to connect…
A technician is searching through a storage locker and finds a cable modem. What is the purpose of this device? It connects a home or business network to a company…
A technician is searching through a storage locker and finds a Powerline networking connector. What is the purpose of this device? It is a device that uses existing electrical wiring…
A technician is searching through a storage locker and finds a managed switch. What is the purpose of this device? It connects multiple end devices and can be configured for…
A technician is searching through a storage locker and finds a PoE injector. What is the purpose of this device? It is a device that can be inserted in the…
A client packet is received by a server. The packet has a destination port number of 25. What service application is the client requesting? SMTP SMB/CIFS HTTPS SLP
A client packet is received by a server. The packet has a destination port number of 389. What service application is the client requesting? LDAP SMB/CIFS HTTPS SLP
A client packet is received by a server. The packet has a destination port number of 23. What service application is the client requesting? Telnet SMB/CIFS HTTPS SLP
A client packet is received by a server. The packet has a destination port number of 161. What service application is the client requesting? SNMP SMB/CIFS HTTPS SLP
A client packet is received by a server. The packet has a destination port number of 137. What service application is the client requesting? NetBIOS (NetBT) SMB/CIFS HTTPS SLP
Which type of server would support the SMTP, POP, and IMAP protocols? DHCP email proxy syslog Explanation: The Simple Mail Transfer Protocol (SMTP) is used to send email. The Post…
A client packet is received by a server. The packet has a destination port number of 21. What service application is the client requesting? FTP LDAP SLP SNMP
Which internet connection type is an always-on service that uses radio signals sent from a tower to a receiver in a home or business? line of sight wireless satellite hotspot…
Which network device allows administrators to remotely manage many devices through one dashboard interface? cloud-based network controller Power over Ethernet switch that supports VLANs powerline networking Explanation: A cloud-based network…